the word fish is sakana. however, if you mean that fish is a name, then it doesn't change. to write it you would use katakana script, fui shi
ルイス
"shein"
ダイアン
kendra
Rinjii
キム
Kenjii
It is: ヒルトン
It's Japanese reading of 'Leticia'.
Mary, the name, is "mari" in Japanese.
It can be written: ファイック
クリスタル Kurisutaru